Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7273409 | Process for forming spherical components A process is disclosed for forming a spherical component using a centrifugal processing machine. The process includes the steps of providing a component having an initial shape with at least a portion that is non-spherical, placing the component into a container in ... | 09/25/2007 |
| 7238086 | Surface finishing method for aluminum shapes by barrel polishing A surface finishing method for aluminum shapes by barrel polishing, wherein caps are mounted at both open ends of a hollow aluminum shape, and two aluminum shapes each mounted with the caps are set on two right and left holders so as not to interfere with each other... | 07/03/2007 |
| 7201638 | Environmental control system for a centrifugal processor A centrifugal processor is disclosed with includes an outer frame having an inner surface and an axis. At least one inner vessel positioned within the outer frame and is adapted to receive an object to be processed. A drive system rotate the inner vessel with respec... | 04/10/2007 |
| 7144309 | Rotational processor with drive rollers A rotational processor comprises an outer vessel and a plurality of inner vessels having an outer traction surface adapted for rolling contact with an inner surface of the outer vessel. A plurality of drive rollers drive the inner vessels about a center line of the ... | 12/05/2006 |
| 7140947 | Barrel polishing method and barrel polishing apparatus Barrel polishing is effected while causing a mass (M) consisting of work and media (polishing material) to rotation-flow by rotating a rotary disk installed in the bottom of a polishing tank by a drive motor. A load on the drive motor for the rotary disk is preset a... | 11/28/2006 |
| 7134240 | Rock-a-bye rotary sprouter and sanitizer The introduction of a slow rocking or tilting action that can tilt the growing chambers of a rotary sprouter back so that they become containment vessels for holding water or cleaning solution thereby transforming the rotary sprouter into becoming a front-load type ... | 11/14/2006 |
| 7121934 | Carrier head for chemical mechanical polishing apparatus Disclosed is a carrier head of a chemical mechanical polishing apparatus for planarizing a semiconductor wafer. An adjustment chamber is provided in a space section formed between a membrane lower holder and a membrane upper holder of a wafer support assembly. Press... | 10/17/2006 |
| 7056197 | Dry surface treating apparatus and dry surface treating method using the same apparatus A dry surface treating apparatus of the present invention comprises, within a treating chamber, a surface-treating material supply section and a tubular barrel having a porous peripheral surface for accommodating a work piece, to treat a surface of the work piece wh... | 06/06/2006 |
| 7040209 | Tool fixtures for use in rotational processing A fixture for holding tools to be processed in a rotational processing apparatus. The fixture includes at least one mounting rod with a plurality of spacers slidably disposed on the mounting rod. A plurality of tools are disposed about the rod, each tool being space... | 05/09/2006 |
| 7018277 | Device for grinding workpieces To improve the grinding action when grinding workpieces in a device equipped with a container and a rotary disk rotating relative thereto using abrasive granules, according to the invention there are ribs in the upper area of the container. ... | 03/28/2006 |
| 6843260 | Vibrating abrasive cleaning apparatus and method This invention relates to a vibrating abrasive cleaning apparatus and method which is powered by at least one electric motor specially fabricated to the cleaning container assembly mounted on a rigid square tubing frame on one side by compression springs, on the opp... | 01/18/2005 |
| 6767276 | Holder for flat workpieces, particularly semiconductor wafers A holder for semiconductor wafers in an apparatus for chemical-mechanical polishing of semiconductor wafers, having a disk-shaped head, a holding plate and a ring-shaped membrane attached to the carrier section and the holding plate which defines a pressure chamber ... | 07/27/2004 |
| 6758729 | Centrifugal barrel finishing apparatus A centrifugal barrel finishing apparatus centrifugally polishing, grinding or otherwise finishing workpieces includes a revolving member mounted on a first rotatable shaft so as to be rotated with the first shaft, a barrel mounted to be rotated about a second shaft,... | 07/06/2004 |
| 6743082 | Blasting apparatus With the blasting apparatus in which the injection nozzle is disposed to inject the blast material against the work pieces from the outside of the tubular barrel formed of the mesh net for accommodation of the work pieces and rotatable about the center axis, the wor... | 06/01/2004 |
| 6733374 | Grinding machine The invention proposes a device for grinding or polishing workpieces by means of an abrasive, having a container and a rotary disk located therein and rotatable relative thereto, in which the rotary disk is made from elastic material, is provided with an upwardly di... | 05/11/2004 |
| 6733375 | Horizontal finishing machine A horizontal centrifugal finisher is disclosed for subjecting a product to centrifugal and rotational motion. The finisher includes a main frame which rotationally supports a central shaft about a horizontal longitudinal axis. At least two radial supports are mounte... | 05/11/2004 |
| 6656027 | Grinding machine In a grinding machine comprising a stationary wall part and a plate part which rotates about an axis of rotation, between which a gap is formed, the gap is limited from above by a ceramic part and from below by an elastic part.... | 12/02/2003 |
| 6599176 | High speed centrifugal processor An apparatus is disclosed for performing high speed processing of a workpiece. The apparatus includes an outer vessel having an inner surface and a central axis. At least one intermediate vessel is located within the outer vessel and has an outer surface ... | 07/29/2003 |
| 6585577 | Vibrating abrasive cleaning apparatus and method This invention relates to a vibrating abrasive cleaning apparatus and method which is powered by a hydraulic drive motor mounted to a square tubing fame which is housed within an enclosure that is vibrated by an eccentric shaft assembly directly coupled t... | 07/01/2003 |
| 6575814 | Dry polishing of intraocular lenses A process of dry polishing molded or lathe cut intraocular lenses or like medical devices to removing flash, sharp edges and/or surface irregularities therefrom. The process includes gas and/or rotational tumbling of the intraocular lenses or like medical... | 06/10/2003 |
| 6379233 | Spiral-flow barrel finishing machine with gap adjusting function A spiral-flow barrel finishing machine having a cylindrical stationary barrel and a rotary barrel closed at the bottom thereof includes an escape layer or air layer provided between an inner side of a metallic wall of the stationary barrel and an outer si... | 04/30/2002 |
| 6367134 | Method of producing a ceramic electronic part A ceramic electronic part producing method, in which when a ceramic electronic part having an internal electrode in a ceramic sintered body and having an external electrode connected to the internal electrode at an outside surface thereof is to be produce... | 04/09/2002 |
| 6364754 | Machine for finishing automotive wheels A method and apparatus for finishing automotive wheels having a rotatable turret, a plurality of containers journaled on the turret capable of receiving media and capable of selective rotation independent of the turret, and fixtures in the containers that... | 04/02/2002 |
| 6350189 | Grinding device An object of this invention is to increase strength of the turret plate and to disclose new constitution of a cover portion, a grinding device is constituted of a rotate fly-wheel; a turret plate which is located face to face with the fly-wheel and rotate... | 02/26/2002 |
| 6296556 | Centrifugal slide grinder The invention is a centrifugal grinder. The grinder contains a rotary receptacle lower part and a stationary receptacle upper part, wherein the receptacle lower part and the receptacle upper part each have a ceramic part on opposing faces defining an open... | 10/02/2001 |
| 6277011 | Deburring, burnishing and polishing machine with conveyor belt drive A deburring, burnishing and polishing machine using a grinding or polishing medium rotating on an endless conveyor belt, especially for noble metals, with a service-friendly, at any time integratable collection device for the products to be polished and t... | 08/21/2001 |
| 6277424 | Pepper seed polishing machine A pepper seed polishing machine consists of a frame made from welded angle iron bars, a polishing mechanism which is a concave made from iron sieve having holes with diameter of 1.5-2 millimeters, and an agitator set. The agitator set consists of three ba... | 08/21/2001 |
| 6270398 | Vibrational magnetic polishing machine A vibrational magnetic polishing machine comprises a machine frame on which a workpiece container, an action device and a rotary alternating magnetic field generator are mounted such that the workpiece container is vibrated by the action device, thereby c... | 08/07/2001 |
| 6210258 | Vibrational finishing assembly A finishing assembly for vibratory finishing of workpieces in loose finishing media includes at least one generally annular finishing chamber which is driven by a drive assembly and supported by a support housing. The drive assembly consists of a crank sh... | 04/03/2001 |
| 6200413 | Quadri-point precision sphere polisher A system and method for polishing spherical shaped devices is disclosed. The system includes a carrier and an enclosure. The carrier has two projections so that when a device is placed between the projections, it contacts the carrier at two contact points... | 03/13/2001 |
| 6080052 | Machine for finishing nonmagnetic components On a conventional chassis (10) forming a rigid structure there is mounted an electromotor (12) whose rotary shaft is coupled to a reducer (13) whose output end (14) is secured via suitable means to a flat (23); on this chassis (10) there is a stationary c... | 06/27/2000 |
| 6059639 | Shot blast machine with improved tumbling capabilities A shot blast machine for cleaning workpieces that includes two tumbler sections and at least one blast wheel for impelling abrasive particles. Both tumbler sections have a surface with an ingress and an egress for supporting and tumbling the workpieces un... | 05/09/2000 |
| 6010391 | Cryogenic polishing method for soft acrylic articles A method for polishing articles comprising soft acrylic materials is disclosed. The method includes a cryogenic polishing step and a cleaning step. In the polishing step, a receptacle is charged with polishing beads of various sizes, sodium bicarbonate, a... | 01/04/2000 |
| 5989109 | Seal protecting method for use with spiral-flow barrel finishing machine and spiral-flow barrel finishing machine with seal protecting apparatus Any part of an abrasive media in a solid particle or liquid form is prevented from entering a seal and/or the area where a rotary shaft bearing for a rotating barrel is sealed, thereby protecting the bearing and/or its seal against any possible damage tha... | 11/23/1999 |
| 5848929 | Centrifugal finisher with fixed outer vessel and rotatable inner vessel A centrifugal finisher uses centrifugal and rotational forces for finishing at least one object. A fixed, non-rotatably outer vessel has an inner surface and a central axis. At least one inner vessel is positioned inside the outer vessel and is adapted to... | 12/15/1998 |
| 5829131 | Method of making camshaft lobes Sharp edges formed during forging are removed from cam lobes by tumbling prior to machining of mounting bores which have been rough formed by punching. Tumbling effectively removes the sharp edges from non-hardened steel and prevents the formation of burr... | 11/03/1998 |
| 5823861 | Spiral-flow barrel finishing machine This invention relates to a spiral-flow barrel finishing machine having a cylindrical stationary metallic barrel equipped with a lining layer at a lower inside portion. A rotating barrel is equipped with a lining layer on a metallic rotational body and is... | 10/20/1998 |
| 5782677 | Continuous process blast mill for finishing cast metal parts A workpiece cleaning mill that is useful for cleaning castings includes a hollow housing that is established by arranging plural elongated manganese flights side-by-side to establish a cylinder, and attaching the flights to opposed entrance and exit rings... | 07/21/1998 |
| 5779527 | Stone bevelling machine A stone bevelling machine serves to round corners of bevelling stone. The machine comprises: a cylinder 2 rotating, and having a charge port on one end and a discharge port on the other end; a partition 3 separating the space within the cylinder 2 into a ... | 07/14/1998 |
| 5743790 | Vibrating abrasive cleaning apparatus and method This invention relates to a vibrating abrasive cleaning apparatus and method which is powered by a hydraulic drive motor mounted to a square tubing frame which is housed within an enclosure that is vibrated by an eccentric shaft assembly directly coupled ... | 04/28/1998 |
